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Well one day in with a scan tool.
My live data shows VS 87 octane "winter tune"
Closed Loop
Coolent temp 165* F
IAT 79* F
Timing adv. ranges from -42.5 noload to +10 WOT
Short Term Fuel Trim -5 to Long Term Fuel Trim +16
It will be some time before I get cal. a difference in mileage
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